Rafael Pelayo

"Sleep difficulties affect millions of people-and the problem is getting worse. The deluge of sleep advice out there, referred to collectively as "sleep hygiene" rules, consists mostly of isolated recommendations for things not to do, such as: Don't drink coffee close to bedtime. Don't watch TV in bed. Despite the popularity of these old rules, Dr. Rafael Pelayo tells us, sleep hygiene alone is rarely effective in helping people with serious sleep...